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4x4: easy intermediate hard challenging expert
6x6: easy intermediate hard challenging expert
8x8: easy intermediate hard challenging expert
9x11: easy intermediate hard challenging expert
9x17: easy intermediate hard challenging expert

Kakuro is like a crossword puzzle with numbers. Each "word" must add up to the number provided in the clue above it or to the left. Words can only use the numbers 1 through 9, and a given number can only be used once in a word. Every kakuro puzzle has one and only solution, and can be solved through logic alone.

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Kakuro Hint: Start with clues that only have one valid combination. For example, 3 in 2 must be 1 and 2, and 23 in 3 must be 6, 8, and 9.

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6
 
40
 
3
  
 
12
 
22
  
 
15
 
27
14
 
12
 
13
 
10
 
16
25
16
32
6
 
32
11
 
9
3
  
10
20
26
 
16
32
    
4
 
14
11
 
9
 
18
 
3
 
34
3
 
 
21
19
20
 
14
10
17
45
 
8
 
 
21
21
10
 
35
  
22
 
8
14
 
11
   
27
 
7
9
 
 
21
8
11
20
 
7
 
 
19
20
11
 
9
29
 
4
10
13
 
10
 
6
 
4
 
3
 
16
 
00:00
You are playing 9x17 challenging puzzle 85047

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